package com.itheima.jingjie.map.map练习2;

import java.util.HashMap;
import java.util.HashSet;

 class Student {
    private String name;
    private int age;

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }


//     public String toString() {
//         return "Student{" +
//                 "name='" + name + '\'' +
//                 ", age=" + age +
//                 '}';
//     }

     public String getName() {
         return name;
     }

     public void setName(String name) {
         this.name = name;
     }

     public int getAge() {
         return age;
     }

     public void setAge(int age) {
         this.age = age;
     }
 }
public class Demo2 {
    public static void main(String[] args) {
        HashSet<Student> hs = new HashSet<>();
        Student s1 = new Student ("张三",23);
        Student s2 = new Student ("张三",23);
        hs.add(s1);
        hs.add(s2);
        System.out.println(hs);
    }
}